Vulnerability: Privilege Escalation and Jail Escape via UNIX Domain Sockets in FreeBSD

Vulnerability: Privilege Escalation and Jail Escape via UNIX Domain Sockets in FreeBSD

CVE-2019-5596 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.

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